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Fermion dynamical symmetry and strongly-correlated electrons:A comprehensive model of high-temperature superconductivity

查看全文 作　　者：Mike [1]Guidry;Yang [2]Sun;Lian-Ao [3]Wu;Cheng-Li [4]Wu 高影响力作者 机构地区：[1]Department of Physics and Astronomy,Universilty of Tenessee,Knorille,TN 37996,USA;[2]School of Physics and Astronomy,Shanghai Jiao Tong University,Shanghai 200240,China;[3]IKERBASQUE,Basque Foundation for Science,48011 Bilbao,Spain,and Department of Theoretical Physics and History of Science,Basque Country University(EHU/UPV),Post Office Bor 644,48080 Bilbao,Spain;[4]Department of Physics,Chung-Yuan Christian University,Chungli,Taiwan 320,China高影响力机构 出　　处：《Frontiers of physics》索引2020年第15卷第4期,共65页高影响力期刊 基　　金：We would like to thank Pengcheng Dal,E-bio Dagotto,Adrana Moreo,Takeshi Egami,John Quinn,Hai-Hu Wen,and Wel Ku for discussions and advice that have greatly enhanced our understanding of strongly correlated elec-tron systems.This work was partially supported by the National Key Program for S&T Research and Development(Grant No.2016YFA0400501);L.w.acknowledges grant support from the Basque Government(Grant No.IT986-16)and PGC2018-101355B-100(MCIU/AEI/FEDER,UE).This work was partially supported by LightCone Interactive LLC. 摘　　要：We review application of the SU(4)model of strongly-correlated electrons to cuprate and iron-based superconductors.A minimal self-consistent generalization of BCS theory to incorporate antiferromag-netism on an equal footing with pairing and strong Coulomb repulsion is found to account system-atically for the major features of high-temperature superconductivity,with microscopic details of the parent compounds entering only parametrically.This provides a systematic procedure to separate es-sential from peripheral,suggesting that many features exhibited by the high-Te data set are of interest in their own right but are not central to the superconducting mechanism.More generally,we propose that the surprisingly broad range of conventional and unconventional superconducting and superfluid behavior observed across many fields of physics results from the systemnatic appearance of similar al-gebraic structures for the emergent ffoctive Harmiltonians,even though the microscopic Harmiltonians of the corresponding parent states may differ radically from each other. 关 键 词：strongly-correlated electrons SU(4)model fermian dynamical symmetry high-temperature superconductivity
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